●With the buttons on the sides, you can easily switch between half and full helmet for versatile protection that meets your childs needs. ●4 breathable vents and an aerodynamic design ensure cool airflow and reduce sweating while riding ●With a lightweight design that does not strain your childs head. ●Ideal for a variety of activities including riding, skateboarding, roller skating, inline skating, scooters, longboarding and more. ●The head circumference adjustment ensures a secure and comfortable fit of your childs head and gives you safety.